Home / 3,900.39-5,853.02-2,257.71

Finding the Fourth Proportional to 3,900.39, 5,853.02 and 2,257.71

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Solution

The fourth proportional to 3,900.39, 5,853.02 and 2,257.71 is: 3,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.39 : 5,853.02 = 2,257.71 : x
  2. Step 2: Convert to fraction form
    3,900.39/5,853.02 = 2,257.71/x
  3. Step 3: Cross multiply
    3,900.39x = 5,853.02 × 2,257.71
  4. Step 4: Simplify right side
    3,900.39x = 13,214,410.50
  5. Step 5: Solve for x
    x = 13,214,410.50/3,900.39
  6. Step 6: Final answer
    x = 3,387.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.